Smartwatches. Health monitors. Pedometers. Activity trackers. They're all part of the emerging landscape of wearable technology, which promises to change the way we exercise and communicate. We've collected the best products in this upstart category below.

Motorola's incredibly capable MotoActv fitness device can tackle just about any fitness task--such as tracking workouts via GPS and connecting to headsets via Bluetooth--and it serves as a very tiny digital music player. Yet, if you're looking for a simple tool to measure daily activity and provide holistic advice on how to shed some pounds, this training tool isn't for you.

I believe in putting my fitness gadgets to the ultimate test, like using them to split my nighttime sleep schedule in half for a daring experiment to ultimately help me sleep more. So you can trust that my favorite gadgets earned their keep.